Testbanch für jk-ff.v angelegt.

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2024-02-21 19:05:53 +01:00
parent 87d46ad0dc
commit 42c7f91e77

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`timescale 1ns/1ps
module tb_jk-ff;
reg clk;
reg res;
reg en;
integer i;
initial begin
clk = 1'b0;
res = 1'b0;
en = 1'b0;
dut_j = 1'b0;
dut_k = 1'b0;
end
always begin
#10 clk = ~clk;
end
reg dut_j;
reg dut_k;
wire dut_q;
initial begin
for (i=0;i<4;i=i+1) begin
@ (negedge clk);
end
res = ~res;
#40
res = ~res;
@ (posedge clk);
dut_j = 1'b0;
dut_k = 1'b1;
@ (posedge clk);
dut_j = 1'b1;
dut_k = 1'b0;
@ (posedge clk);
dut_j = 1'b1;
dut_k = 1'b1;
@ (posedge clk);
dut_j = 1'b0;
dut_k = 1'b0;
en = 1'b1;
@ (negedge clk);
dut_j = 1'b0;
dut_k = 1'b1;
@ (negedge clk);
dut_j = 1'b1;
dut_k = 1'b0;
@ (negedge clk);
dut_j = 1'b1;
dut_k = 1'b1;
@ (negedge clk);
dut_j = 1'b0;
dut_k = 1'b0;
@ (negedge clk);
end
jk-ff dut(
.R(res),
.CLK(clk),
.EN(en),
.J(dut_j),
.K(dut_k),
.Q(dut_q)
);
endmodule